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Related Experiment Videos

One-minute schirmer test with anesthesia.

Ahmed M Bawazeer1, William G Hodge

  • 1University of Ottawa Eye Institute, Ottawa, Ontario, Canada.

Cornea
|June 7, 2003
PubMed
Summary
This summary is machine-generated.

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The 1-minute Schirmer test reliably measures basal tear secretion, offering a practical alternative to the 5-minute test for diagnosing dry eye syndrome. This shorter duration maintains high correlation with standard results.

Area of Science:

  • Ophthalmology
  • Tear Film Dynamics
  • Ocular Surface Disease

Background:

  • The standard 5-minute Schirmer test is a common diagnostic tool for dry eye syndrome.
  • Its 5-minute duration presents practical challenges for routine clinical use by ophthalmologists.

Purpose of the Study:

  • To evaluate the intraindividual reliability of shorter wetting times of the Schirmer basal tear secretion test.
  • To compare these shorter durations against the standard 5-minute Schirmer test.

Main Methods:

  • A prospective study involved 60 eyes from 30 patients diagnosed with dry eye syndrome.
  • The Schirmer test was performed at 30 seconds, 1, 2, 3, and 4 minutes, with results compared to the standard 5-minute test using the intraclass correlation coefficient (ICC).

Related Experiment Videos

Main Results:

  • Intraclass correlation coefficients (ICC) were moderate at 30 seconds but high to extremely high from 1 minute onwards.
  • The 1-minute test showed high ICC values (0.938 for right eyes, 0.817 for left eyes).
  • Severe dry eye cases (≤5.5 mm at 5 minutes) showed ≤2 mm at 1 minute (100%), and moderate cases (5.5–10 mm at 5 minutes) showed 3–6 mm at 1 minute (80%).

Conclusions:

  • Shorter durations of the Schirmer test, particularly the 1-minute test, demonstrate high correlation with the standard 5-minute test.
  • The 1-minute Schirmer test is a reliable and more practical alternative for ophthalmologists to assess basal tear secretion.